James please give me an example. No matter what they do, they are limited by the LEGAL build & the mechanical porperties of the engine. Anything illegal, will not be allowed a sensor. Correct? Am I missing something? The EMS should be allowed to control no more than what the stock ECU controls now. The only thing you can do is fine tune what your engine puts out now.
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Amen. Said the same thing some months ago on this discussion. The engine is an air pump pure and simple. It is mechnically limited, you'll just be able to harness it a bit better.

Ron